Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Sumy is from June, August, September. — consistent weather climate
☀️Pleasant
| Score | 10 | 11 | 16 | 44 | 79 | 83 | 82 | 91 | 90 | 39 | 10 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Polar | Polar | Cold | Cold | Mild | Pleasant | Pleasant | Pleasant | Mild | Cold | Cold | Polar |
| Temperature | -7–-2°C | -6–0°C | -2–6°C | 4–14°C | 9–20°C | 15–25°C | 16–26°C | 16–26°C | 11–21°C | 5–13°C | 0–5°C | -3–1°C |
| Feels like | -12–-7°C | -11–-5°C | -6–2°C | 1–11°C | 7–18°C | 14–25°C | 16–26°C | 15–26°C | 9–18°C | 2–10°C | -4–1°C | -8–-4°C |
| Precipitation | 53mm 14 days | 43mm 10 days | 40mm 10 days | 51mm 10 days | 68mm 10 days | 71mm 8 days | 74mm 9 days | 41mm 5 days | 38mm 6 days | 51mm 9 days | 59mm 11 days | 62mm 14 days |
| Sunshine | 1.4h ☀︎ 16% | 3.0h ☀︎ 30% | 6.0h ☀︎ 50% | 8.8h ☀︎ 64% | 11.7h ☀︎ 75% | 12.9h ☀︎ 79% | 13.1h ☀︎ 82% | 12.2h ☀︎ 84% | 9.2h ☀︎ 73% | 5.8h ☀︎ 54% | 2.2h ☀︎ 24% | 0.8h ☀︎ 11% |
| Wind | SW · 22 km/h | SW · 21 km/h | S · 21 km/h | SW · 21 km/h | NE · 19 km/h | N · 18 km/h | NW · 17 km/h | NE · 17 km/h | E · 18 km/h | SW · 20 km/h | S · 19 km/h | SW · 20 km/h |
| Humidity (%) | 86% | 85% | 74% | 67% | 65% | 66% | 70% | 64% | 64% | 75% | 82% | 87% |
| Day length | 8.5h | 10.0h | 11.9h | 13.9h | 15.5h | 16.4h | 16.0h | 14.5h | 12.6h | 10.7h | 9.0h | 8.0h |